Update parquet files

gigant--tib_slides/parquet-test.parquet

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:f29c79754fae38140d9f284377386b4c5038c1969b4e7c946fc3877486a5b732
-size 236898234
+oid sha256:ccdf6a407f240d8448ceaeb95a9308a75a45a5cc7d43d93d7da901092b4cf6fb
+size 495351499